Senior Plant Operator salary at Washington County

The average senior plant operator salary at Washington County was $66,532 , which is 25 percent higher than the average salary for this job in Maryland, but 14 percent lower than the national average for this job . Senior Plant Operator salaries at Washington County typically range from $61,437 to $70,750 (25th to 75th percentile). The highest reported senior plant operator salary was $84,711. There are 9 employees at Washington County with the job title senior plant operator.